Global Address Lists / Distribution Lists
Global Address List (GAL) stores employee contact information, it's accessible to team members. Distribution lists (newsletters) of selected groups of users can also be created in GAL.

Sharing Customer/Partner Contact Information
Centralizing key contact information for easy access and reduce redundancy

Check Availability of Resources and Users
Calendar Sharing

Create and Assign Tasks
Users can easily create and delegate tasks to others while also setting completion dates.